Ring



FIG. 1 is a top, back right side perspective view of the ring;

FIG. 2 is a front elevational view, the back view being identical thereto;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines depict environment features and form no part of the claimed design. 

The ornamental design for a ring, as shown and described. 